Nicolaas Hartsoeker
Dutch mathematician and physicist
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Nicolaas Hartsoeker was a Dutch mathematician and physicist who invented the screw-barrel simple microscope c. 1694. Wikipedia
Born: March 26, 1656, Gouda, Netherlands
Died: December 10, 1725 (age 69 years), Utrecht, Netherlands
Partner: Elizabeth Vettekeuken (1680–) and Elizabeth Vettekeuken
Parents: Christian Hartsoecker